US4516594A - Multi-part valve with a valve seat skeleton and cast valve body - Google Patents

Multi-part valve with a valve seat skeleton and cast valve body Download PDF

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Publication number
US4516594A
US4516594A US06/596,311 US59631184A US4516594A US 4516594 A US4516594 A US 4516594A US 59631184 A US59631184 A US 59631184A US 4516594 A US4516594 A US 4516594A
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United States
Prior art keywords
valve
wear
resistant
skeleton
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US06/596,311
Inventor
John C. Martin
Paul H. Martin
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Diesel Equipment Ltd
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Diesel Equipment Ltd
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Publication date
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Priority to US06/596,311 priority Critical patent/US4516594A/en
Assigned to DIESEL EQUIPMENT LIMITED reassignment DIESEL EQUIPMENT LIMITED ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MARTIN, JOHN C., MARTIN, PAUL H.
Priority to CA000478323A priority patent/CA1236375A/en
Application granted granted Critical
Publication of US4516594A publication Critical patent/US4516594A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling
    • Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49405—Valve or choke making
    • Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making
    • Y10T29/49416—Valve or choke making with assembly, disassembly or composite article making with material shaping or cutting
    • Y10T29/49417—Valve or choke making with assembly, disassembly or composite article making with material shaping or cutting including molding or casting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49888—Subsequently coating

Definitions

  • This invention relates to multi-port valves having valve seats and the like which are subject to wear.
  • Multi-port valves are commonly made from cast iron and wear-resistant metal valve seats are fitted in their appropriate positions within the valve body after casting.
  • the various passages of the valve body are usually machined and threaded after casting to receive a threaded valved seat.
  • the fitting of wear-resistant valve seats in this manner is costly and time consuming and requires sophisticated machinery.
  • I can substantially reduce the costs involved in manufacturing a multi-port valve by forming a plurality of wear-resistant members into a skeleton having the required valve seat configurations and thereafter casting the valve body about the skeleton. This method substantially reduces the cost involved in manufacturing a multi-port-valve. While this method does not provide a valve in which the valve seat elements may be replaced, I find that in most instances, the requirement for replacement of the wear resistant member is not as important and the requirement for reduced cost in manufacture.
  • a method of forming a valve having a plurality of valve ports formed therein comprises the steps of, securing a plurality of wear-resistant members, each having a wear-resistant operative surface formed thereon, to one another to form a valve seat skeleton on which the wear-resistant operative surfaces are arranged in a predetermined fixed relationship, and casting a valve body of readily castible material about said skeleton to form a valve body having a plurality of valve passages formed therein, at least one of said passages opening to expose each wear-resistant operative surface whereby the wear-resistant operative surface is exposed for engagement by a movable valve component mounted in the valve passage in use.
  • a multi-port valve comprises a valve seat skeleton comprising a plurality of wear-resistant members each having a wear-resistant operative surface formed thereon, said wear-resistant members being secured to one another to retain said wear-resistant operative surfaces thereof in a predetermined fixed arrangement, a valve body of readily castable material cast about said skeleton, said valve body having a plurality of valve passages formed therein, at least one of said valve passages opening to expose each wear-resistant operative surface for engagement by a movable valve component mounted in each valve passage to bear against and move relative to each wear-resistant operative surface in use.
  • FIG. 1 is a sectional side view of a valve body and a pictorial view of a valve seat skeleton about which the valve body is formed in use.
  • FIG. 2 is a partially sectioned pictorial view of the valve skeleton of FIG. 1 viewed from the opposite end thereof.
  • FIG. 3 is an end view of a valve body taken in the direction of the arrow 3--3 of FIG. 1.
  • FIG. 4 is a sectional side view of the assembled valve of FIG. 3.
  • valve 10 refers generally to a valve constructed in accordance with an embodiment of the present invention.
  • the valve 10 comprises a valve seat skeleton 20 and a valve body 30.
  • the valve seat skeleton 20 comprises wear-resistant valve seat plates 22, 24 and 26 and a wear-resistant sleeve 28.
  • the wear-resistant valve seat plates and sleeve are made from a wear-resistant metal and are secured to one another by welds 32 so as to form a rigid skeleton.
  • the plates 22, 24 and 26 have through passages 42, 44 and 46 respectively and the sleeve 28 has a through passage 48.
  • the valve body 30 has valve passages 52, 54, 56 and 58 which are aligned with the through passages 42, 44, 46 and 48 of the valve seat skeleton 20 respectively.
  • a valve seat such as that identified by the reference numeral 60 may be machined in the wear-resistant valve plate 26 to receive a ball valve member 62 which is retained by means of a compression spring 64. Similar valve seats may be machined in each of the wear-resistant valve seat plates 22 and 24. Similarly, the through passage 48 of the sleeve 28 may be machined to accommodate a sealing ring 66 and to provide an annular chamber 68 as required in use. A valve member 70 is slidably mounted in the through passage 48.
  • valve seat skeleton may have any appropriate number of and arrangement of wear-resistant valve seat plate sleeves and the like arranged to a configuration conforming to the configuration of valve ports and passages to be formed in the valve body.
  • the skeleton 1 is initially constructed with the various wear-resistant valve seat plates welded to one another and thereafter, the valve body is cast in a conventional casting process about the skeleton.
  • the valve body may be constructed from readily castible material such as iron, or aluminum which may be die cast and which has the advantage of being of a light weight and is capable of being cast about a wear-resistant steel skeleton without adversely affecting the wear-resistant characteristics of the steel skeleton.
  • the method of the present invention provides a simple and inexpensive method of manufacturing a valve and the valve structure is such that it is an inexpensive valve.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)

Abstract

A multi-port valve comprises a valve seat skeleton and a valve body of readily castible material cast about the skeleton. The valve seat skeleton comprises a plurality of wear-resistant members each having a wear-resistant operative surface formed thereon. The wear-resistant members are secured to one another to retain the wear-resistant operative surfaces thereof in a predetermined fixed arrangement. The valve body has a plurality of valve passages formed therein, one for each valve port, at least one of said passages opening to expose each wear-resistant operative surface for engagement by a movable valve component mounted in each valve passage to bear against and move relative to each wear-resistant operative surface in use. The valve is manufactured securing a plurality of wear-resistant members to one another to form a valve seat skeleton on which the wear-resistant operative surfaces are arranged in a predetermined fixed relationship, and casting the valve body about said skeleton.

Description

FIELD OF INVENTION
This invention relates to multi-port valves having valve seats and the like which are subject to wear.
PRIOR ART
Multi-port valves are commonly made from cast iron and wear-resistant metal valve seats are fitted in their appropriate positions within the valve body after casting. The various passages of the valve body are usually machined and threaded after casting to receive a threaded valved seat. The fitting of wear-resistant valve seats in this manner is costly and time consuming and requires sophisticated machinery. I have found that I can substantially reduce the costs involved in manufacturing a multi-port valve by forming a plurality of wear-resistant members into a skeleton having the required valve seat configurations and thereafter casting the valve body about the skeleton. This method substantially reduces the cost involved in manufacturing a multi-port-valve. While this method does not provide a valve in which the valve seat elements may be replaced, I find that in most instances, the requirement for replacement of the wear resistant member is not as important and the requirement for reduced cost in manufacture.
SUMMARY OF INVENTION
According to one aspect of the present invention, a method of forming a valve having a plurality of valve ports formed therein comprises the steps of, securing a plurality of wear-resistant members, each having a wear-resistant operative surface formed thereon, to one another to form a valve seat skeleton on which the wear-resistant operative surfaces are arranged in a predetermined fixed relationship, and casting a valve body of readily castible material about said skeleton to form a valve body having a plurality of valve passages formed therein, at least one of said passages opening to expose each wear-resistant operative surface whereby the wear-resistant operative surface is exposed for engagement by a movable valve component mounted in the valve passage in use.
According to a further aspect of the present invention, a multi-port valve comprises a valve seat skeleton comprising a plurality of wear-resistant members each having a wear-resistant operative surface formed thereon, said wear-resistant members being secured to one another to retain said wear-resistant operative surfaces thereof in a predetermined fixed arrangement, a valve body of readily castable material cast about said skeleton, said valve body having a plurality of valve passages formed therein, at least one of said valve passages opening to expose each wear-resistant operative surface for engagement by a movable valve component mounted in each valve passage to bear against and move relative to each wear-resistant operative surface in use.
PREFERRED EMBODIMENT
The invention will be more clearly understood after reference to the following detailed specification read in conjunction with the drawings wherein;
FIG. 1 is a sectional side view of a valve body and a pictorial view of a valve seat skeleton about which the valve body is formed in use.
FIG. 2 is a partially sectioned pictorial view of the valve skeleton of FIG. 1 viewed from the opposite end thereof.
FIG. 3 is an end view of a valve body taken in the direction of the arrow 3--3 of FIG. 1.
FIG. 4 is a sectional side view of the assembled valve of FIG. 3.
With reference to the drawings, the reference numeral 10 refers generally to a valve constructed in accordance with an embodiment of the present invention. The valve 10 comprises a valve seat skeleton 20 and a valve body 30.
The valve seat skeleton 20 comprises wear-resistant valve seat plates 22, 24 and 26 and a wear-resistant sleeve 28. The wear-resistant valve seat plates and sleeve are made from a wear-resistant metal and are secured to one another by welds 32 so as to form a rigid skeleton. The plates 22, 24 and 26 have through passages 42, 44 and 46 respectively and the sleeve 28 has a through passage 48.
The valve body 30 has valve passages 52, 54, 56 and 58 which are aligned with the through passages 42, 44, 46 and 48 of the valve seat skeleton 20 respectively.
As shown in FIG. 4 of the drawings, a valve seat such as that identified by the reference numeral 60 may be machined in the wear-resistant valve plate 26 to receive a ball valve member 62 which is retained by means of a compression spring 64. Similar valve seats may be machined in each of the wear-resistant valve seat plates 22 and 24. Similarly, the through passage 48 of the sleeve 28 may be machined to accommodate a sealing ring 66 and to provide an annular chamber 68 as required in use. A valve member 70 is slidably mounted in the through passage 48.
Various modifications of the present invention will be apparent to those skilled in the art.
It will be apparent that the valve seat skeleton may have any appropriate number of and arrangement of wear-resistant valve seat plate sleeves and the like arranged to a configuration conforming to the configuration of valve ports and passages to be formed in the valve body.
To manufacture a valve of the type illustrated in FIGS. 1 to 4, the skeleton 1 is initially constructed with the various wear-resistant valve seat plates welded to one another and thereafter, the valve body is cast in a conventional casting process about the skeleton. The valve body may be constructed from readily castible material such as iron, or aluminum which may be die cast and which has the advantage of being of a light weight and is capable of being cast about a wear-resistant steel skeleton without adversely affecting the wear-resistant characteristics of the steel skeleton.
Subsequent to casting, it is only necessary to machine the wear-resistant valve seat plates to accurately align the valve seats and valve passages with the passages which are cast in the valve body.
From the foregoing, it will be apparent that the method of the present invention provides a simple and inexpensive method of manufacturing a valve and the valve structure is such that it is an inexpensive valve.
These and other advantages of the method of the present invention will be apparent to those skilled in the art.

Claims (8)

We claim:
1. A multi-port valve comprising:
(a) a valve seat skeleton comprising a plurality of wear-resistant members each having a wear-resistant operative surface formed thereon, said wear-resistant members being secured to one another to retain said wear-resistant operative surfaces thereof in a predetermined fixed arrangement,
(b) a valve body of readily castible material cast about said skeleton, said valve body having a plurality of valve passages formed therein, at least one of said valve passages opening to expose each wear-resistant operative surface for engagement by a movable valve component mounted in each valve passage to bear against and move relative to each wear-resistant operative surface in use.
2. A multi-port valve as claimed in claim 1, wherein said wear-resistant operative surfaces are in the form of valve seats.
3. A multi-port valve as claimed in claim 1 wheren at least one of said wear-resistant members in the form of a bush having a cylindrical-shaped wear-resistant operative surface.
4. A multi-port valve as claimed in claim 1 wherein said valve body is formed from castible aluminum.
5. A multi-port valve as claimed in claim 1 wherein said valve body is formed from cast iron.
6. A multi-port valve as claimed in claim 1 wherein said wear-resistant members are made from hardened steel.
7. A multi-port valve as claimed in claim 1 wherein said wear-resistant members are secured to one another by welding.
8. A method of forming a valve having a plurality of valve ports formed therein comprises the steps of, securing a plurality of wear-resistant members, each having a wear-resistant operative surface formed thereon, to one another to form a valve seat skeleton on which the wear-resistant operative surfaces are arranged in a predetermined fixed relationship, and casting a valve body of readily castible material about said skeleton to form a valve body having a plurality of valve passages formed therein, at least one of said passages opening to expose each wear-resistant operative surface whereby the wear-resistant operative surface is exposed for engagement by a movable valve component mounted in the valve passage in use.
US06/596,311 1984-04-03 1984-04-03 Multi-part valve with a valve seat skeleton and cast valve body Expired - Fee Related US4516594A (en)

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Application Number Priority Date Filing Date Title
US06/596,311 US4516594A (en) 1984-04-03 1984-04-03 Multi-part valve with a valve seat skeleton and cast valve body
CA000478323A CA1236375A (en) 1984-04-03 1985-04-03 Valve

Applications Claiming Priority (1)

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US06/596,311 US4516594A (en) 1984-04-03 1984-04-03 Multi-part valve with a valve seat skeleton and cast valve body

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002017A1 (en) * 1988-08-31 1990-03-08 Kongsberg Automotive A/S Method of manufacturing valve etc. housings
WO1996021818A1 (en) * 1995-01-11 1996-07-18 Mannesmann Rexroth Gmbh Metal valve housing
US20040238780A1 (en) * 2003-06-02 2004-12-02 Gethmann Doug P. Control valve with integrated hardened valve seat
US20050133187A1 (en) * 2003-12-17 2005-06-23 Sean Seaver Die casting method system and die cast product
US20050133102A1 (en) * 2003-12-22 2005-06-23 Blackman Donald E. Hydraulic end head with internally cast hydraulic circuits
US20100270703A1 (en) * 2007-03-13 2010-10-28 Eaton Corporation Pressure control valve assembly
CN109578649A (en) * 2017-09-29 2019-04-05 费希尔控制产品国际有限公司 The casting of bimetallic valve body and its manufacturing method
US10774939B2 (en) 2018-04-12 2020-09-15 Cla-Val Co. Valve with integral insert-cast seat and related method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271845A (en) * 1961-02-11 1966-09-13 Stubbe Friedrich Method of manufacturing rotary valves
US3360008A (en) * 1964-10-07 1967-12-26 Raymond Int Inc Molded manifold construction and method of forming
US3762443A (en) * 1967-09-19 1973-10-02 Tektro Inc Resilient fluid control valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271845A (en) * 1961-02-11 1966-09-13 Stubbe Friedrich Method of manufacturing rotary valves
US3360008A (en) * 1964-10-07 1967-12-26 Raymond Int Inc Molded manifold construction and method of forming
US3762443A (en) * 1967-09-19 1973-10-02 Tektro Inc Resilient fluid control valve

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002017A1 (en) * 1988-08-31 1990-03-08 Kongsberg Automotive A/S Method of manufacturing valve etc. housings
WO1996021818A1 (en) * 1995-01-11 1996-07-18 Mannesmann Rexroth Gmbh Metal valve housing
US20040238780A1 (en) * 2003-06-02 2004-12-02 Gethmann Doug P. Control valve with integrated hardened valve seat
US20050133187A1 (en) * 2003-12-17 2005-06-23 Sean Seaver Die casting method system and die cast product
US20050133102A1 (en) * 2003-12-22 2005-06-23 Blackman Donald E. Hydraulic end head with internally cast hydraulic circuits
US20080092382A1 (en) * 2003-12-22 2008-04-24 Blackman Donald E Hydraulic end head with internally cast hydraulic circuits
US20100270703A1 (en) * 2007-03-13 2010-10-28 Eaton Corporation Pressure control valve assembly
US8231818B2 (en) * 2007-03-13 2012-07-31 Eaton Corporation Pressure control valve assembly
CN109578649A (en) * 2017-09-29 2019-04-05 费希尔控制产品国际有限公司 The casting of bimetallic valve body and its manufacturing method
CN109578649B (en) * 2017-09-29 2023-10-24 费希尔控制产品国际有限公司 Bimetallic valve body casting and manufacturing method thereof
US10774939B2 (en) 2018-04-12 2020-09-15 Cla-Val Co. Valve with integral insert-cast seat and related method

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Publication number Publication date
CA1236375A (en) 1988-05-10

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Owner name: DIESEL EQUIPMENT LIMITED, 139 LAIRD DRIVE, TORONTO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:MARTIN, JOHN C.;MARTIN, PAUL H.;REEL/FRAME:004246/0754

Effective date: 19840326

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Year of fee payment: 4

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FP Lapsed due to failure to pay maintenance fee

Effective date: 19930516

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362